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[2a02:a44f:d2f0:0:7cde:5457:f7ce:ec3c]) by smtp.gmail.com with ESMTPSA id d20sm860807edz.14.2020.11.05.04.55.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Nov 2020 04:55:01 -0800 (PST) Subject: Re: Regression: QCA6390 fails with "mm/page_alloc: place pages to tail in __free_pages_core()" To: David Hildenbrand , Vlastimil Babka Cc: Kalle Valo , ath11k@lists.infradead.org, linux-mm@kvack.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org References: <8ACA82DB-D2FE-4599-8A01-D42218FDE1E5@redhat.com> From: Pavel Procopiuc Message-ID: <225718f1-c4b0-8683-427a-059148a39350@gmail.com> Date: Thu, 5 Nov 2020 13:55:00 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <8ACA82DB-D2FE-4599-8A01-D42218FDE1E5@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Op 05.11.2020 om 12:13 schreef David Hildenbrand: > It depends in which order memory is exposed to MM, which might depend on other factors in some configurations. > > This smells like it exposes an existing bug. Can you reproduce also with zone shuffling enabled? So just to make sure I understand you correctly, you'd like to see if the problem with ath11k driver on my hardware persists when I boot pristine 5.10-rc2 kernel (without reverting commit 7fef431be9c9ac255838a9578331567b9dba4477) and with page_alloc.shuffle=1, right?